Skip to content / Đến nội dung
ThichHocToan.com

2024 IMC keystage3-IWYMIC team Question 6

xIMC · 2024 IMC keystage3-IWYMIC team

Question 6

Let $\overline{ABCD}$ be a four-digit number. If the last two digits of $\overline{ABCD}^{\,2025}$ are 57, what is the largest possible two-digit number $\overline{CD}$?